//////////////////////////////////////////////////////////////////////////////
// Copyright � 2007, mC2 team
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//    * Redistributions of source code must retain the above copyright notice,
//      this list of conditions and the following disclaimer.
//
//    * Redistributions in binary form must reproduce the above copyright
//      notice, this list of conditions and the following disclaimer in the
//      documentation and/or other materials provided with the distribution.
//
//    * Neither the name of the author nor the names of other contributors may
//      be used to endorse or promote products derived from this software
//      without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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//////////////////////////////////////////////////////////////////////////////
#pragma once

#include <core/audio/IDecoder.h>
#include <FLAC/stream_decoder.h>
#include <stddef.h>


using namespace musik::core::audio;

class FLACDecoder :	public IDecoder
{

public:
    FLACDecoder();
    ~FLACDecoder();

public:
    virtual void    Destroy();
    virtual double  SetPosition(double seconds,double totalLength);
    virtual bool    GetBuffer(IBuffer *buffer);
    virtual bool    Open(musik::core::filestreams::IFileStream *fileStream);

public:
    // FLAC callbacks
    //static size_t   FlacRead(void *buffer, size_t nofParts, size_t partSize, void *datasource);
    static FLAC__StreamDecoderReadStatus    FlacRead(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[],size_t *bytes,void *clientData);
    //static int      FlacSeek(void *datasource, FLAC__int64 offset, int whence);
    static FLAC__StreamDecoderSeekStatus FlacSeek(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *clientData);
    //static FLAC__int64     FlacTell(void *datasource);
    static FLAC__StreamDecoderTellStatus FlacTell(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *clientData);
    //static int      FlacEof(void *datasource);
    static FLAC__bool FlacEof(const FLAC__StreamDecoder *decoder, void *clientData);
    //static int      FlacFileSize(void *datasource);
    static FLAC__StreamDecoderLengthStatus FlacFileSize(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *clientData);


    static FLAC__StreamDecoderWriteStatus FlacWrite(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame,const FLAC__int32 *const buffer[], void *clientData);
    static void FlacMeta(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *clientData);
    static void FlacError(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *clientData);


protected:
    musik::core::filestreams::IFileStream *fileStream;
	FLAC__StreamDecoder *decoder;

    long channels;
    long sampleRate;
    UINT64 totalSamples;
    int bps;

    float *outputBuffer;
    unsigned long outputBufferSize;

//    FLAC__IOCallbacks flacCallbacks;

};
